Sandy Chuan1, Michael Homer2, Raj Pandian3, Deirdre Conway4, Gabriel Garzo5, Lisa Yeo5, H Irene Su6. 1. San Diego Fertility Center, San Diego, California. 2. Division of Reproductive Endocrinology and Infertility, University of California, San Diego, San Diego, California. 3. Pan Laboratories, Irvine, California. 4. Utah Fertility Center, Pleasant Grove, Utah. 5. Reproductive Partners Medical Group, La Jolla, California. 6. Division of Reproductive Endocrinology and Infertility, University of California, San Diego, San Diego, California. Electronic address: hisu@ucsd.edu.
Abstract
OBJECTIVE: To determine whether serum hyperglycosylated human chorionic gonadotropin (hhCG) measured as early as 9 days after egg retrieval can predict ongoing pregnancies after in vitro fertilization and fresh embryo transfer (IVF-ET). DESIGN: Cohort SETTING: Academic assisted reproduction center. PATIENT(S): Consecutive patients undergoing IVF-ET INTERVENTION(S): Serum hhCG and hCG levels measured 9 (D9) and 16 (D16) days after egg retrieval MAIN OUTCOME MEASURE(S): Ongoing pregnancy beyond 9 weeks of gestation. RESULT(S): Ongoing pregnancy (62 of 112 participants) was associated with higher D9 levels of hhCG and hCG. However, hhCG was detectable in all D9 OP samples, while hCG was detectable in only 22%. A D9 hhCG level of >110 pg/mL was 96% specific for an ongoing pregnancy, yielding a positive predictive value of 94%. Compared with the D9 hCG levels, hhCG was more sensitive and had a larger area under the curve (0.87 vs. 0.67, respectively). The diagnostic test characteristics were similar between the D16 hhCG and hCG levels. CONCLUSION(S): In patients undergoing assisted reproduction, a test to detect pregnancy early and predict outcomes is highly desirable, and hhCG is detectable in serum 9 days after egg retrieval IVF-ET cycles. In this early assessment, hhCG was superior to traditional hCG and highly predictive of ongoing pregnancies.
OBJECTIVE: To determine whether serum hyperglycosylated human chorionic gonadotropin (hhCG) measured as early as 9 days after egg retrieval can predict ongoing pregnancies after in vitro fertilization and fresh embryo transfer (IVF-ET). DESIGN: Cohort SETTING: Academic assisted reproduction center. PATIENT(S): Consecutive patients undergoing IVF-ET INTERVENTION(S): Serum hhCG and hCG levels measured 9 (D9) and 16 (D16) days after egg retrieval MAIN OUTCOME MEASURE(S): Ongoing pregnancy beyond 9 weeks of gestation. RESULT(S): Ongoing pregnancy (62 of 112 participants) was associated with higher D9 levels of hhCG and hCG. However, hhCG was detectable in all D9 OP samples, while hCG was detectable in only 22%. A D9 hhCG level of >110 pg/mL was 96% specific for an ongoing pregnancy, yielding a positive predictive value of 94%. Compared with the D9 hCG levels, hhCG was more sensitive and had a larger area under the curve (0.87 vs. 0.67, respectively). The diagnostic test characteristics were similar between the D16 hhCG and hCG levels. CONCLUSION(S): In patients undergoing assisted reproduction, a test to detect pregnancy early and predict outcomes is highly desirable, and hhCG is detectable in serum 9 days after egg retrieval IVF-ET cycles. In this early assessment, hhCG was superior to traditional hCG and highly predictive of ongoing pregnancies.
Authors: Karine Chung; Christos Coutifaris; Raffi Chalian; Kathleen Lin; Sarah J Ratcliffe; Arthur J Castelbaum; Martin F Freedman; Kurt T Barnhart Journal: Fertil Steril Date: 2006-10-30 Impact factor: 7.329
Authors: Erik Hauzman; Péter Fedorcsák; Klaus Klinga; Zoltán Papp; Thomas Rabe; Thomas Strowitzki; János Urbancsek Journal: Fertil Steril Date: 2004-01 Impact factor: 7.329